Terabit

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"Tbit" redirects here. For the Tom Bradley International Terminal at the Los Angeles International Airport, see TBIT.
Multiples of bits
Decimal
Value Metric
1000 kbit kilobit
10002 Mbit megabit
10003 Gbit gigabit
10004 Tbit terabit
10005 Pbit petabit
10006 Ebit exabit
10007 Zbit zettabit
10008 Ybit yottabit
Binary
Value JEDEC IEC
1024 Kbit kilobit Kibit kibibit
10242 Mbit megabit Mibit mebibit
10243 Gbit gigabit Gibit gibibit
10244 - - Tibit tebibit
10245 - - Pibit pebibit
10246 - - Eibit exbibit
10247 - - Zibit zebibit
10248 - - Yibit yobibit
See also: Nibble · Byte · Bit and Byte prefixes
Orders of magnitude of data

A terabit is a multiple of the unit bit for digital information or computer storage. The prefix tera (symbol T) is defined in the International System of Units (SI) as a multiplier of 1012 (1 trillion, short scale),[1] and therefore

1 terabit = 1012bits = 1000000000000bits = 1000 gigabits.

The terabit has the unit symbol Tbit or Tb.

The terabit is closely related to the tebibit, a unit multiple derived from the binary prefix tebi of the same order of magnitude,[2] which is equal to 240bits = 1099511627776bits, or approximately 10% larger than the terabit.

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